Xframe visibility + AttPlugin extends Tracker.
AttPlugin extra files.
Construction + destruction + lazy plugins + revisted.
AttPlugin supports add.
Load order.
Merge branch 'master' of github.com:wiredearp/spiritual-gui
Merge pull request #67 from wiredearp/master

AttPlugin listeners and destruction sequence
Merge branch 'master' into 0.0.4-ts
Pommelade